Answer: A
Explanation: the only way to turn it from blue to yellow is to mix it with an acidic solution.
Water moved through the water cycle by changing its state. Think, for example, of water evaporating (liquid to gas), snow sublimating (solid to gas) or melting (solid to liquid), rain (gas to liquid), sleet (liquid to solid), or snow (gas to solid).
The answer would thus be A.
A.)49.4974874 moles or 49.5 moles
B.)2.980808730172671e+25 or 3e+25